Re: [PATCHES] Reduce heap tuple header size

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Curt Sampson <cjs(at)cynic(dot)net>
Cc: Manfred Koizar <mkoi-pg(at)aon(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: [PATCHES] Reduce heap tuple header size
Date: 2002-07-01 14:15:42
Message-ID: 200207011415.g61EFhE18297@candle.pha.pa.us
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Curt Sampson wrote:
> On Fri, 28 Jun 2002, Bruce Momjian wrote:
>
> > OK, we need to vote on this patch. It reduces the tuple header by 4
> > bytes (11% decrease).
> >
> > If we apply it, we will not be able to easily use pg_upgrade for 7.3
> > because the on-disk table format will change.
> >
> > Votes are:
> >
> > 1) Apply it now
> > 2) Wait until August and see if any other table format changes are made.
> > 3) Delay patch until we have other table format changes.
>
> I would tend to say "apply it now" so that we can get more testing
> of it.

OK, I have heard enough votes to add this. If more votes come in while
it is in the queue, we can reevaluate.

Also, Manfred is working on making the OID field optional, so it seems
we may have more format changes coming. Time to focus on any other data
format changes we want to be in 7.3.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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